Advance Java 👨💻
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This channel will serve you all the Codes and Programs of java Programming Language Contact Admin: @Pravin_Suthar Youtube channel: https://www.youtube.com/channel/UCWFwwPMuAx_DY3hi9Tin7gA Like share and subscribe my channel
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Contact Admin: @Pravin_Suthar
Youtube channel:
https://www.youtube.com/channel/UCWFwwPMuAx_DY3hi9Tin7gA
Like share and subscribe my channel”
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12 264
14. Program to Convert Binary to Octal.
import java.io.*;
class BinaryToOctal
{
public static void main(String[] args) throws Exception
{
String num = null;
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
System.out.print("Enter binary number : ");
num = br.readLine();
int dec = Integer.parseInt(num, 2);
String oct = Integer.toOctalString(dec);
System.out.println("Binary " + num + " in Octal is " + oct);
}
}
@java_codings
12 264
13. Program to Convert Binary to Decimal.
import java.io.*;
class BinaryToDecimal
{
public static void main(String[] args) throws Exception
{
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
System.out.print("Enter Binary no. to convert in Decimal : ");
String number = br.readLine();
/*
to convert Binary number to decimal number use,
int parseInt method of Integer wrapper class.
Pass 2 as redix second argument.
*/
int decimalNumber = Integer.parseInt(number, 2);
System.out.println("Binary number converted to decimal number");
System.out.println("Decimal number is : " + decimalNumber);
}
}
@java_codings
12 264
12. Program to Calculate Mean.
import java.util.Scanner;
class CalculateMean
{
public static void main(String[] args)
{
int sum = 0, inputNum;
int counter;
float mean;
Scanner NumScanner = new Scanner(System.in);
System.out.println("Enter the total number of terms whose mean you want to calculate");
counter = NumScanner.nextInt();
System.out.println("Please enter " + counter + " numbers:");
for (int x = 1; x <= counter; x++)
{
inputNum = NumScanner.nextInt();
sum = sum + inputNum;
System.out.println();
}
mean = sum / counter;
System.out.println("The mean of the " + counter + " numbers you entered is " + mean);
}
}
@java_codings
12 264
11. Program to Create a Simple Calculator.
import java.util.Scanner;
import java.io.*;
class Calculator
{
public static void main(String[] args)
{
int choice;
int x = 0;
int y = 0;
int sum;
PrintStream out;
Scanner input;
Calculator calc = new Calculator();
try
{
out = new PrintStream("calclog.txt");
do
{
System.out.println("Calculator Program"); System.out.println("--------------------\n");
System.out.println("1. Add");
System.out.println("2. Subtract");
System.out.println("3. Multiply");
System.out.println("4. Divide");
System.out.println("5. Mod");
System.out.println("6. Power");
System.out.println("99. End Program\n");
System.out.println("Enter Choice: ");
input = new Scanner(System.in);
choice = input.nextInt();
while ((choice < 1 || choice > 6) && choice != 99)
{
System.out.println("Please enter 1, 2, 3, 4, 5, or 6: ");
choice = input.nextInt();
}
if (choice != 99)
{
System.out.println("Please enter 2 numbers only: ");
x = input.nextInt();
y = input.nextInt();
}
switch (choice)
{
case 1:
sum = calc.add(x, y);
System.out.printf("The sum is %d\n\n", sum);
out.println(x + "+" + y + "=" + sum);
break;
case 2:
sum = calc.sub(x, y);
System.out.printf("The answer is %d\n\n", sum);
out.println(x + "-" + y + "=" + sum);
break;
case 3:
sum = calc.multi(x, y);
System.out.printf("The answer is %d\n\n", sum);
out.println(x + "*" + y + "=" + sum);
break;
case 4:
try
{
sum = calc.div(x, y);
System.out.printf("The answer is %d\n\n", sum);
out.println(x + "/" + y + "=" + sum);
}
catch (Exception e)
{
System.out.println("\nError: Cannot Divide by zero\n\n");
}
break;
case 5:
sum = calc.mod(x, y);
System.out.printf("The mod is %d\n\n", sum);
out.println(x + "%" + y + "=" + sum);
break;
case 6:
sum = calc.pow(x, y)
System.out.printf("The answer is %d\n\n", sum);
out.println(x + "^" + y + "=" + sum);
break;
}
}
while (choice != 99);
input.close();
System.out.println("Ending program...");
}
catch (Exception e){
System.out.println("ERROR: Some error occured");
e.printStackTrace();
}
}
public int add(int num1, int num2)
{int sum;
sum = num1 + num2;
return sum;
}
public int sub(int num1, int num2)
{ int sum;
sum = num1 - num2;
return sum;
}
public int multi(int num1, int num2)
{ int sum;
sum = num1 * num2;
return sum;
}
public int div(int num1, int num2)
{int sum;
sum = num1 / num2;
return sum;
}
public int mod(int num1, int num2)
{int sum;
sum = num1 % num2;
return sum;
}
public int pow(int base, int exp)
{int sum = 1;
if (exp == 0)
{sum = 1;
}
while (exp > 0)
{sum = sum * base;
exp--;
}
return sum;
}
}
@java_codings
12 264
10. Program to Convert Celsius to Fahrenheit.
import java.util.*;
class CelsiustoFahrenheit
{
public static void main(String[] args)
{
double temperature;
Scanner in = new Scanner(System.in);
System.out.println("Enter temperature in Celsius");
temperature = in.nextInt();
temperature = (temperature * 9 / 5.0) + 32;
System.out.println("Temperature in Fahrenheit = " + temperature);
}
}
@java_codings
12 264
9. Program to Calculate Binary Number Calculation.
import java.util.*;
class BinaryCalculator
{
public static void main(String[] args)
{
Scanner in = new Scanner(System.in);
System.out.print("First Binary: ");
String binOne = in.next();
System.out.print("Second Binary: ");
String binTwo = in.next();
int left = Integer.parseInt(binOne, 2);
int right = Integer.parseInt(binTwo, 2);
System.out.println("Sum of the binary numbers : " + Integer.toBinaryString(left + right));
System.out.println("Difference of the binary numbers : " + Integer.toBinaryString(left - right));
System.out.println("Product of the binary numbers : " + Integer.toBinaryString(left * right));
System.out.println("Quotient of the binary numbers : " + Integer.toBinaryString(left / right));
}
}
@java_codings
12 264
8. Program to Find Simple Interest and Compound Interest.
import java.lang.*;
import java.util.Scanner;
class CalculateInterest
{
public static void main(String[] args)
{
double p, n, r, si, ci;
Scanner s = new Scanner(System.in);
System.out.print("Enter the amount : ");
p = s.nextDouble();
System.out.print("Enter the No.of years : ");
n = s.nextDouble();
System.out.print("Enter the Rate of interest : ");
r = s.nextDouble();
si = (p * n * r) / 100;
ci = p * Math.pow(1.0 + r / 100.0, n) - p;
System.out.println("\nAmount : " + p);
System.out.println("No. of years : " + n);
System.out.println("Rate of interest : " + r);
System.out.println("Simple Interest : " + si);
System.out.println("Compound Interest : " + ci);
}
}
@java_codings
12 264
7. Program to Calculate Area's.
import java.util.Scanner;
class AreaCalculator
{
float l, b, h, r, ba, s, c;
float result = 0f;
float pi = 3.14f;
int var;
public static void main(String[] args)
{
AreaCalculator ar = new AreaCalculator();
ar.options();
}
public void options()
{
Scanner a = new Scanner(System.in);
System.out.println("Enter the Object of which Area is to be calculated \n1:square \n2:rectangle \n3:Triangle\n4:circle\n5:Trapezoid\n6:Repeat\n7:Exit");
var = a.nextInt();
Area a1 = new Area();
if (var == 1)
{
System.out.println("Enter the Side of Square");
s = a.nextFloat();
a1.square(s);
options();
}
else if (var == 2)
{
System.out.println("Enter the Length of Rectangle");
l = a.nextFloat();
System.out.println("Enter the Breadth of Rectangle");
b = a.nextFloat();
a1.rectangle(l, b);
options();
}
else if (var == 3)
{
System.out.println("Enter the Height of Triangle");
h = a.nextFloat();
System.out.println("Enter the Base of Triangle");
ba = a.nextFloat();
a1.triangle(h, ba);
options();
}
else if (var == 4)
{
System.out.println("Enter the Radius of Circle");
r = a.nextFloat();
a1.circle(r);
options();
}
else if (var == 5)
{
System.out.println("Enter the A side of Trapezoid");
b = a.nextFloat();
System.out.println("Enter the B side of Trapezoid");
c = a.nextFloat();
System.out.println("Enter the Height of Trapezoid");
h = a.nextFloat();
a1.trapezoid(b, c, h);
options();
}
}
}
class Area
{
public void square(float s)
{
float result = 0f;
result = s * s;
System.out.println("The Area of Square is :" + result);
}
public void rectangle(float l, float b)
{
float result = 0f;
result = l * b;
System.out.println("The Area of Rectangle is :" + result);
}
public void triangle(float h, float ba)
{
float result = 0f;
result = 0.5f * h * ba;
System.out.println("The Area of Triangle is :" + result);
}
public void circle(float r)
{
float result = 0f;
result = 3.14f * (r * r);
System.out.println("The Area of Circle is :" + result);
}
public void trapezoid(float b, float c, float h)
{
float result = 0f;
result = (((b + c) / 2) * h);
System.out.println("The Area of Trapezoid is :" + result);
}
}
@java_codings
12 264
6. Program to Accept value of the side of Square and Calculate Area of Square.
import java.util.*;
class AreaOfSquare
{
public static void main(String args[])
{
int side, area;
Scanner sc = new Scanner(System.in);
System.out.println("Enter value of the sides of square");
side = sc.nextInt();
area = side * side;
System.out.println("Area of Square : " + area);
}
}
@java_codings
12 264
5. Program to Accept value of length & width and Calculate Area of Rectangle.
import java.util.Scanner;
class AreaOfRectangle
{
public static void main(String[] args)
{
Scanner scanner = new Scanner(System.in);
System.out.println("Enter the length of Rectangle:");
double length = scanner.nextDouble();
System.out.println("Enter the width of Rectangle:");
double width = scanner.nextDouble();
//Area = length*width;
double area = length * width;
System.out.println("Area of Rectangle is:" + area);
}
}
@java_codings
12 264
4. Program to Accept value of Radius and Calculate Area of Circle.
class CalculateCircleAreaExample
{
public static void main(String[] args)
{
int radius = 3;
System.out.println("The radius of the circle is " + radius);
/*
* Area of a circle is pi * r * r where r is a radius of a circle.
*/
// NOTE : use Math.PI constant to get value of pi
double area = Math.PI * radius * radius;
System.out.println("Area of a circle is " + area);
}
}
@java_codings
12 264
3. Program to accept three Number and Print Largest among them.
class CommandLineArgs
{
public static void main(String args[])
{
int a, b, c;
a = Integer.parseInt(args[0]);
b = Integer.parseInt(args[1]);
c = Integer.parseInt(args[2]);
if (a > b && a > c) {
System.out.println("Largest Number is : " + a);
} else if (b > c) {
System.out.println("Largest Number is : " + b);
} else {
System.out.println("Largest Number is : " + c);
}
}
}
@java_codings
12 264
2. Program to Accept values of Two Numbers and print their Addition.
import java.util.Scanner;
class AddNumbers
{
public static void main(String args[])
{
int x, y, z;
System.out.print("Enter two integers to calculate their sum : ");
Scanner in = new Scanner(System.in);
x = in.nextInt();
y = in.nextInt();
z = x + y;
System.out.println("Sum of entered integers = " + z);
}
}
@java_codings
12 264
1. Program to Print Hello World.
class HelloWorld
{
public static void main(String args[])
{
System.out.println("Hello World!!");
}
}
@java_codings
